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Author SHA1 Message Date
Christian Groessler
6dc7309e50 Atari: add support for BW-DOS. Initially contributed by Daniel Serpell. 2018-09-27 17:37:59 +02:00
Christian Groessler
fe7845b5f0 clock-test.c: remove "static" optimization 2018-09-25 21:11:05 +02:00
Christian Groessler
1203e9e0c4 clock-test.c: do doesclrscrafterexit() handling the canonical way. 2018-09-25 21:11:05 +02:00
Christian Groessler
b1ca01f720 asminc/atari.inc: remove TABs which slipped in 2018-09-25 21:11:05 +02:00
Christian Groessler
3a2d68fd1f Add testcode/lib/clock-test.c. 
A test program for the "clock" functions.
 2018-09-25 21:11:05 +02:00
Christian Groessler
9c7cccf3e5 Atari: clock_gettime() and clock_settime() implementations 
They are using SpartaDOS-X interfaces and are therefore only working
in this environment.
 2018-09-25 21:11:05 +02:00
Christian Groessler
bfba206d16 asminc/atari.inc: add some SpartaDOS-X defines 2018-09-25 21:11:05 +02:00
Christian Groessler
118bc996fb libsrc/atari/getdefdev.s: small comment change 2018-09-20 23:58:23 +02:00
Oliver Schmidt
6cce110345 Adjusted URL to use https (and removed obsolete dates). 2018-09-20 12:45:15 +02:00
Oliver Schmidt
b6e4add9b5
Switch to https links. 
Most targets redirected to https anyway.
 2018-09-20 12:21:58 +02:00
Oliver Schmidt
aa219d1ec7 The doc now lives in the 'master' branch of the 'doc' project. 2018-09-18 23:39:11 +02:00
Christian Groessler
d52d986aca libsrc/atari/getdefdev.s: small optimization and fix a typo 2018-09-14 16:54:20 +02:00
greg-king5
d8ad89c4b4
Merge pull request #740 from laubzega/master 
Add segment type "overwrite".
 2018-09-14 00:59:47 -04:00
Christian Groessler
4691974466 Atari: Make a good "default device" on AtariDOS (2.0 and 2.5) and MyDOS. 
The default device will be the one the program was loaded from instead of
always D1:.
 2018-09-13 22:33:54 +02:00
Laubzega
3bace79604 Fixed reference link. 2018-09-12 23:51:38 -07:00
Laubzega
3432788763 Slight fixes to the documentation. 2018-09-11 22:14:45 -07:00
Christian Groessler
08d164a811 fix comment in last change 2018-09-12 01:20:12 +02:00
Christian Groessler
e4e3dbf756 atarixl: check at startup whether RAM beneath the ROM is in use 
If detected, the program refuses to run, preventing a crash.
The check only works with SpartaDOS. I don't have an overview which
DOSes potentially use the RAM under the ROM. Or which other installed
programs might use it.

No additional runtime memory space is consumed, since the change
is in the "system check" load chunk which gets replaced by the
user program during loading.
 2018-09-12 01:05:52 +02:00
Laubzega
1646acb26f First cut of "overwrite" segment docs. 2018-09-08 19:20:01 -07:00
Laubzega
d293d766ef New segment type renamed to "overwrite". 2018-09-08 19:18:41 -07:00
Oliver Schmidt
c7a40db1b7 Added hint random number generator hint. 2018-09-08 23:59:39 +02:00
Oliver Schmidt
a9a102b0e8 Protect random counter against ProDOS. 
Although documented nowhere (!!!) ProDOS trashes the random counter locations $4E/$4F. Is discovered this because my TCP connections didn't have random local ports.

It's a really funny coincidence that David Finnigan discovered only 3 years ago the very same issue because of the very same reason: https://groups.google.com/forum/#!topic/comp.sys.apple2.programmer/1ciep_Oetvo
 2018-09-08 23:29:59 +02:00
Oliver Schmidt
cddc4da3bb Just removed some trailing spaces. 2018-09-08 23:14:54 +02:00
Oliver Schmidt
73faf60fe0 Support randomize(). 
In order to have randomize() work as expected (and the Apple II random number generation in general) it is necessary to update the random counter during keypress wait just like the ROM function does.
 2018-09-08 18:45:20 +02:00
Christian Groessler
b6ccd4d5d4 Atari: RealDOS adaptations 
RealDOS is a SpartaDOS clone. Handle it the same way as SpartaDOS.
 2018-09-06 15:55:07 +02:00
Christian Groessler
e9b8f5d814 Atari: Add detection of RealDOS (http://www.realdos.net/realdos.html). 2018-09-06 12:08:50 +02:00
Laubzega
c7bb27bac9 Rename more stuff from "overlay" to "replace". 2018-09-06 00:18:39 -07:00
Christian Groessler
af50b5e516 Atari: atarixl config files already had a LOWBSS segment. 2018-09-05 11:28:15 +02:00
Christian Groessler
a104c289da Atari: atari-cart.cfg: There's a simpler way to discard the contents of the LOWBSS segment. 
Thanks to Greg King for the hint.
 2018-09-05 11:28:15 +02:00
Christian Groessler
1cc4fa9356 Atari: fix interrupt handling if extended memory is banked in 
Extendend memory is mapped over the main memory in the 0x4000..0x7FFF
area. Many DOSes disable interrupts while extended memory is banked in,
but not all (e.g. SpartaDOS-X).
This change modifies the initial interrupt handler to map in main memory
before chaining to the "worker" handlers.
Since the initial interrupt handler uses a data segment to store the
trampoline to chain to the original handler, introduce a new "LOWBSS"
segment to hold this trampoline. Otherwise the trampoline may end up
inside the 0x4000..0x7FFF area.

Add a link time warning if "LOWCODE" segment lays within the extended
memory window.
 2018-09-05 11:28:15 +02:00
Christian Groessler
d199ca1460 Atari, Atari5200: disable "attract mode" on mouse or joystick input 
Fixes #736.
 2018-09-05 11:23:12 +02:00
Laubzega
cd9efd53fe Segment OVERLAY renamed to REPLACE. Bugfix for read-only segments. Formatting. 2018-09-04 00:34:28 -07:00
Oliver Schmidt
70a131e09a Just a minor comment improvement. 2018-09-02 23:07:26 +02:00
Greg King
39694d0aaa Fixed bugs; and, improved the efficiency of some pce library functions. 2018-08-30 11:48:46 +02:00
Greg King
959eff34a3 Fixed and improved some pce comments. 2018-08-30 11:48:46 +02:00
Greg King
2cc822b44e Fixed some mistakes (mostly in the documentation). 2018-08-30 11:48:46 +02:00
Greg King
b5d939c858 Style changes. 2018-08-30 11:48:46 +02:00
Greg King
203200e259 Used I/O mirror locations that avoid (redirected) zero-page accesses. 2018-08-30 11:48:46 +02:00
Greg King
c39d07dd17 Document style clean-up. 2018-08-29 15:43:20 -04:00
Greg King
f2d2f3c193 Moved the NES font into its own object module. 
It can be replaced by a custom font when a program is built.
 2018-08-29 12:13:58 -04:00
greg-king5
a08192b53e
Merge pull request #706 from xlar54/master 
* tgi driver for c128 VIC-II

* Made the VIC-IIe TGI driver put its bitmap behind the ROMs.

* c128-hi.tgi doc
 2018-08-29 10:34:05 -04:00
Laubzega
1b0e2cf783 Fix for multiple overlay segments. 2018-08-25 20:21:12 -07:00
Laubzega
8b584cb89f Add segment type "overlay". 2018-08-25 10:18:23 -07:00
Christian Groessler
2d4210b309 Atari5200 joystick driver: enable POT input. 
The "Atari800" emulator doesn't emulate this aspect, therefore the problem
wasn't noticed before.
 2018-08-24 17:04:31 +02:00
Greg King
31461aaf02 Made cc65's "Illegal escaped character" diagnostic show which code was escaped. 2018-08-21 08:58:21 -04:00
Stefan
f3ef819b43 Update crt0.s 2018-08-21 12:21:56 +02:00
Stefan
3ae5161636 CMOS optimisation 3rd 
"The decimal flag D is cleared" [...]
http://shu.emuunlim.com/download/pcedocs/pce_cpu.html
 2018-08-21 12:21:56 +02:00
Greg King
a76dcdc419 Removed the compiler's recovery code for illegal escaped characters. 
It caused the error cascade that it was supposed to prevent.
 2018-08-20 17:51:22 -04:00
Stefan
199226d089 Update irq.s 2018-08-20 22:31:08 +02:00
Stefan
e335b50ed1 CMOS optimisation 
The Lynx CPU always cleared the flag.
 2018-08-20 22:30:41 +02:00